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Mathematical Treasure Hunt
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
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Cryptography and Cryptanalysis
In this cryptography and cryptanalysis worksheet, 8th graders read the explanation and example for codes and ciphers, then answer 2 questions and decipher 2 messages.
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Caesar Ciphers: An Introduction to Cryptography
Students encode and decode messages using a Caesar Cipher. In this encoding and decoding messages using a Caesar Cipher lesson, students discuss cryptography and how it is used. Students make a Caesar wheel to encode and decode...
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Breaking the Code
Students understand what cryptography is and how to design original number-based codes. In this cryptography lesson, students research codes during World War II. Students develop number-based codes.
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Caesar Ciphers: An Introduction to Cryptography
Students brainstorm and discuss the concept of cryptography, the science of secrets in today's world and then focus on a system for sending secret messages used by Julius Caesar. They make a Caesar wheel assessing encrypting and...
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An Introduction to Public Key Cryptography
Students secure information online using cryptography. In this algebra lesson plan, students use RSA technology to encrypt information on the internet. They use modular reduction of natural numbers to understand prime number theory.
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Cryptography and Cryptanalysis
In this cryptography/cryptanalysis worksheet, students work with a group and use logic and cryptography techniques to solve problems.
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Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...
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History and Analysis of Cryptography
Students are introduced to the code systems and art of cryptography. As a class, they review prior knowledge and brainstorm lists. Using the internet, they research the history of codes and determine how they are structured. They also...
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Matrices In Encryption And Decryption Of Codes
Students relate Cryptography to the solving of simultaneous linear equations in matrix notation. They explore various methods of encrypting and decrypting codes. Pupils discuss and solve simultaneous linear equations.
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Cryptography on the TI-83 Graphing Calculator
Students explore the history of cryptography. They assess function notation and transformation, matrix operations, and the fundamentals of modular arithmetic. Using graphing calculators, students develop their own encryption schemes.
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Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
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Clock Arithmetic and Cryptography
High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
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Does the falling tree make a sound if no one if there to hear it? (or communication via encryption)
Students explore encryption. They discuss the importance of cryptography in our daily lives. Students use games and cryptography to discover transformational geometry and modulo systems. They design their own encryption puzzles and...